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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Hybrid Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0A01-P0A03 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine running, observe the scan tool DMCM Coolant Temperature Signal parameter. The reading should be between -61 to +161°C (-78 to +321F) depending on the current ambient temperature and the vehicle operating conditions.
  2. Operate the vehicle within the Conditions for Running the DTC.
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